1 Our tracing light box has three brightness settings to choose from. Just a touch of a button you can choose the optimal setting for drawing. 2 Ultra thin light box measuring at 0.2 Inch thick this light pad is easy to work on and portable. 3 Comes with an extra long usb cable to give you more flexibility at your home or office. Also a usb cable and 2 clips are included. 4 This light table is the perfect accessory for any hobbyist artist builder or doctor. Bring them more convenience. 5 Perfect for sketching tattoo tracing architectural design 2d animation calligraphy embossing stained glass industrial design scrapbooking and more.